More recently, Bakshy et al. investigated the nature of political echo chambers on Facebook, where left and right-leaning users not only tend to connect with those who share their perspectives, but also, tend to share different news and other media URLs [1]}. While the exact impact of the Internet on mass polarization in America is still up for debate [2]}, [3]}, it appears that on platforms like Twitter, users are increasingly following accounts that share their own political views [4]}.
